CN213838887U - Parallel integrated type pan-cycloid gear pump device - Google Patents
Parallel integrated type pan-cycloid gear pump device Download PDFInfo
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- CN213838887U CN213838887U CN202022529376.5U CN202022529376U CN213838887U CN 213838887 U CN213838887 U CN 213838887U CN 202022529376 U CN202022529376 U CN 202022529376U CN 213838887 U CN213838887 U CN 213838887U
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Abstract
The utility model belongs to the technical field of the mechanical lubrication, concretely relates to general cycloid gear pump device of parallelly connected integrated form. The device includes: transmission shaft, driving gear axle, two at least driven gears and respectively with the driven shaft that two at least driven gears correspond, wherein, the transmission shaft passes through the spline and drives driving gear axle rotation with driving gear shaft meshing, and driving gear axle drives driven gear rotation with driven gear meshing respectively, and driven gear passes through the spline and drives the driven shaft rotation with corresponding driven shaft meshing. The device can realize reducing oil well hole length through adopting parallel oilhole technique under the more condition of progression, reduces the oil well hole processing degree of difficulty, reduces the pump body assembly degree of difficulty, integrates the design to each business turn over hydraulic fluid port of two antithetical couplet cycloid pumps simultaneously to reduce pump body volume and weight.
Description
Technical Field
The utility model belongs to the technical field of the mechanical lubrication, concretely relates to general cycloid gear pump device of parallelly connected integrated form.
Background
At present, the research of the cycloid gear pump is mainly in the aspects of inner and outer rotor curves, flow pulsation, high-speed operation, noise reduction and the like, and because the occupied area of a cycloid pump suction and a pressure oil cavity is large, a multi-shaft integrated design is generally not considered, the integrated design of a multi-stage cycloid pump is less. The problems of long oil well hole, difficult processing and assembly and the like of the cycloid pump can occur when the cycloid pump with more stages is encountered, and no cycloid pump device of the type is available at present.
SUMMERY OF THE UTILITY MODEL
Utility model purpose: the parallel integrated type pan-cycloid gear pump device is designed to solve the technical problems that an oil well hole of an existing multistage cycloid pump is long and difficult to machine and assemble, and an oil inlet and an oil outlet of the cycloid pump are designed in an integrated mode to reduce the size and the weight of a pump body.
The technical scheme is as follows:
in a first aspect, there is provided a parallel integrated type pan-gerotor gear pump device comprising: transmission shaft, driving gear axle, two at least driven gears and respectively with the driven shaft that two at least driven gears correspond, wherein, the transmission shaft passes through the spline and drives driving gear axle rotation with driving gear shaft meshing, and driving gear axle drives driven gear rotation with driven gear meshing respectively, and driven gear passes through the spline and drives the driven shaft rotation with corresponding driven shaft meshing.
Further, in the case where the parallel integrated type trochoid gear pump device is such that two sub-pumps are connected in parallel, the device includes: the driving gear mechanism comprises a transmission shaft 1, a driving gear shaft 2, a first driven gear 3, a first driven shaft 4, a second driven gear 5 and a second driven shaft 6, wherein the first driven shaft 4 is positioned on the left side of the transmission shaft 1, the second driven shaft 6 is positioned on the right side of the transmission shaft 1, and the transmission shaft 1 drives the driving gear shaft 2 to rotate through a spline; the driving gear shaft 2 drives the first driven shaft 4 and the second driven shaft 6 to rotate through the first driven gear 3 and the second driven gear 5, and therefore operation work of the two-linkage pan-cycloid gear pump is achieved.
Further, the device comprises a first sub-pump and a second sub-pump, wherein the first sub-pump sequentially comprises four stages including a D bearing cavity oil return stage, an AGB bearing cavity oil return stage, a pressurization stage and an oil-gas separation stage from a gear end; the second sub-pump sequentially comprises three stages including a bearing cavity oil return stage A, a bearing cavity oil return stage B and a bearing cavity oil return stage C from the gear end.
Furthermore, the inlet and the outlet of the booster stage are both arranged in the middle of the pump body.
Furthermore, all the oil return progressive ports are arranged on two sides of the pump body, and the oil return stage outlets are arranged in the middle of the pump body to communicate the oil outlets of the two oil return stages.
Further, an oil-gas separation progressive outlet is arranged at the tail end of the pump body.
Has the advantages that: adopt the utility model discloses a parallelly connected integrated form pan cycloid gear pump device can realize reducing oil well hole length through adopting parallel oilhole technique under the more condition of progression, reduces the oil well hole processing degree of difficulty, reduces the pump body assembly degree of difficulty, integrates the design to each business turn over hydraulic fluid port of two antithetical couplet cycloid pumps simultaneously to reduce pump body volume and weight.
Drawings
Fig. 1 is a schematic diagram of an internal three-dimensional structure of a parallel integrated type pan-cycloid gear pump device of the present invention;
fig. 2 is a layout diagram of the oil inlet and outlet of the housing of the parallel integrated pan-cycloid gear pump device of the present invention;
wherein, 1-transmission shaft, 2-driving gear shaft, 3-first driven gear, 4-first driven shaft, 5-second driven gear, 6-second driven shaft, 7-A bearing cavity oil return stage, 8-B bearing cavity oil return stage, 9-C bearing cavity oil return stage, 10-D bearing cavity oil return stage, 11-AGB bearing cavity oil return stage, 12-supercharging stage, 13-oil-gas separation stage, 14-A bearing cavity oil return stage inlet, 15-B bearing cavity oil return stage inlet, 16-C bearing cavity oil return stage inlet, 17-D bearing cavity oil return stage inlet, 18-AGB bearing cavity oil return stage inlet, 19-oil return stage outlet, 20-pressure stage inlet, 21-pressure stage outlet, 22-oil-gas separation stage inlet and 23-oil-gas separation stage outlet.
Detailed Description
In order to solve the above problem, the utility model provides a general cycloid gear pump device of parallelly connected integrated form, include: transmission shaft, driving gear axle, two at least driven gears and respectively with the driven shaft that two at least driven gears correspond, wherein, the transmission shaft passes through the spline and drives driving gear axle rotation with driving gear shaft meshing, and driving gear axle drives driven gear rotation with driven gear meshing respectively, and driven gear passes through the spline and drives the driven shaft rotation with corresponding driven shaft meshing.
In the case where the parallel integrated trochoid gear pump device is such that two sub-pumps are connected in parallel, the device comprises: the driving gear mechanism comprises a transmission shaft 1, a driving gear shaft 2, a first driven gear 3, a first driven shaft 4, a second driven gear 5 and a second driven shaft 6, wherein the first driven shaft 4 is positioned on the left side of the transmission shaft 1, the second driven shaft 6 is positioned on the right side of the transmission shaft 1, and the transmission shaft 1 drives the driving gear shaft 2 to rotate through a spline; the driving gear shaft 2 drives the first driven shaft 4 and the second driven shaft 6 to rotate through the first driven gear 3 and the second driven gear 5, and therefore operation work of the two-linkage pan-cycloid gear pump is achieved.
The first sub-pump sequentially comprises four stages, namely a D bearing cavity oil return stage, an AGB bearing cavity oil return stage, a pressurization stage and an oil-gas separation stage from a gear end; the second sub-pump sequentially comprises three stages including a bearing cavity oil return stage A, a bearing cavity oil return stage B and a bearing cavity oil return stage C from the gear end.
The inlet and the outlet of the booster stage are both arranged in the middle of the pump body.
All the oil return stage outlets are arranged on two sides of the pump body, and the oil return stage outlets are arranged in the middle of the pump body to communicate the oil outlets of the two oil return stages.
The oil-gas separation progressive outlet is arranged at the tail end of the pump body.
The parallel integrated type pan-cycloid gear pump device according to the embodiment of the present invention will be described with reference to the accompanying drawings.
Example (b):
fig. 1 is a schematic diagram of the three-dimensional model of the internal structure of the present invention. The utility model particularly relates to a universal cycloid gear pump device of triaxial two antithetical couplet integrated form, the device are seven grades of cycloid pumps of triaxial two antithetical couplet, contain: the driving gear comprises a transmission shaft 1, a driving gear shaft 2, a first driven gear 3, a first driven shaft 4, a second driven gear 5, a second driven shaft 6 and the like. First driven shaft 4 be located transmission shaft 1 left side, second driven shaft 6 is located transmission shaft 1 right side, transmission shaft 1 passes through the spline and drives driving gear axle 2 and rotate, driving gear axle 2 drives first driven shaft 4 and second driven shaft 6 through first driven gear 3 and second driven gear 5 and rotates to realize the operation work of two broad cycloid gear pumps. The first driven shaft is composed of a first cycloid pump composed of four stages of a D bearing cavity oil return stage 10, an AGB bearing cavity oil return stage 11, a supercharging stage 12 and an oil-gas separation stage 13, the second driven shaft is composed of three stages of an A bearing cavity oil return stage 7, a B bearing cavity oil return stage 8 and a C bearing cavity oil return stage 9, and the whole pump is totally seven stages.
Fig. 2 shows that the oil inlet and outlet layout drawings of the utility model comprise an a bearing cavity oil return level inlet 14, a B bearing cavity oil return level inlet 15, a C bearing cavity oil return level inlet 16, a D bearing cavity oil return level inlet 17, an AGB bearing cavity oil return level inlet 18, an oil return level outlet 19, a pressurizing level inlet 20, a pressure level outlet 21, an oil-gas separation level inlet 22 and an oil-gas separation level outlet 23. All the oil-return progressive ports are arranged on two sides of the pump body, the pressure-boosting progressive port and the oil-return progressive port are arranged in the middle of the pump body, the oil-return stage outlets are arranged in the middle of the pump body to communicate oil outlets of the two oil-return stages, and the oil-gas separation progressive port and the oil-gas separation outlet are arranged at the tail end of the pump body.
The working principle is as follows:
the utility model discloses a parallelly connected integrated form pan cycloid gear pump device falls into multistage cycloid pump two sets ofly, arranges in same casing through two oil well hole integrations. The power supply passes through the spline and transmits transmission shaft 1, and transmission shaft 1 passes through the spline and drives driving gear axle 2 and rotate, and driving gear axle 2 drives first driven shaft 4 and the rotation of second driven shaft 6 through first driven gear 3 and second driven gear 5 to drive two sets of cycloid pumps work. The oil inlet and the oil outlet of the two groups of cycloid pumps are communicated by reasonably arranging the positions and the angles of the pressurizing stages, the oil return stages, the oil-gas separation stages, the outlet oil cavities and the flow passage in the shell through the rotating relation between the transmission shaft and the driven shaft in the transmission process and the flow passage structure in the shell.
The device reduces the length of the oil well hole by adopting the parallel oil hole technology under the condition of more stages, and reduces the difficulty in processing the oil well hole and assembling a pump body. The inlet and the outlet of the pressurizing stage of the whole pump and the outlet of the oil return stage are arranged in the middle of the pump body, the oil return stage inlet is arranged on two sides of the pump body, and the outlet of the pressurizing stage is provided with a safety valve and communicated with the oil return stage, so that the normal and safe operation of the cycloid pump is ensured. The oil return stages of the two-connection cycloid pump share the same oil outlet, so that the product structure is integrated, and the volume and the weight of the pump body are reduced.
Claims (6)
1. A parallel integrated pan-gerotor gear pump device, comprising: transmission shaft, driving gear axle, two at least driven gears and respectively with the driven shaft that two at least driven gears correspond, wherein, the transmission shaft passes through the spline and drives driving gear axle rotation with driving gear shaft meshing, and driving gear axle drives driven gear rotation with driven gear meshing respectively, and driven gear passes through the spline and drives the driven shaft rotation with corresponding driven shaft meshing.
2. The apparatus of claim 1, wherein in case of a parallel integrated trochoidal gear pump device with two sub-pumps in parallel, the apparatus comprises: the driving gear shaft is driven to rotate by the driving shaft through a spline; the driving gear shaft drives the first driven shaft and the second driven shaft to rotate through the first driven gear and the second driven gear, and therefore operation work of the two-linkage pan-cycloid gear pump is achieved.
3. The device of claim 1, wherein the device comprises a first sub-pump and a second sub-pump, wherein the first sub-pump comprises four stages of a D bearing cavity oil return stage, an AGB bearing cavity oil return stage, a booster stage and an oil-gas separation stage in sequence from a gear end; the second sub-pump sequentially comprises three stages, namely a bearing cavity oil return stage A, a bearing cavity oil return stage B and a bearing cavity oil return stage C from the gear end.
4. The apparatus of claim 1 wherein both the pumping stage inlet and outlet are disposed at a central location in the pump body.
5. The apparatus of claim 1 wherein all of the return stage outlets are disposed on both sides of the pump body and the return stage outlets are disposed in a central location of the pump body to communicate the two return stage outlets.
6. The apparatus of claim 1 wherein the oil and gas separation stage outlet is at the end of the pump body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022529376.5U CN213838887U (en) | 2020-11-03 | 2020-11-03 | Parallel integrated type pan-cycloid gear pump device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022529376.5U CN213838887U (en) | 2020-11-03 | 2020-11-03 | Parallel integrated type pan-cycloid gear pump device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213838887U true CN213838887U (en) | 2021-07-30 |
Family
ID=77013426
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022529376.5U Active CN213838887U (en) | 2020-11-03 | 2020-11-03 | Parallel integrated type pan-cycloid gear pump device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213838887U (en) |
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2020
- 2020-11-03 CN CN202022529376.5U patent/CN213838887U/en active Active
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